package com.foreknow.test_Interface.demo06;

public class E {
    public static void main(String[] args) {
        Circle circle = new Circle(5);
        Rect rect = new Rect();
        rect.setWidth(3);
        rect.setHeight(4);
        System.out.println(circle.getArea());
        System.out.println(rect.getArea());
    }
}
